GB881109A - Improvements in or relating to electric incandescent lamps - Google Patents

Improvements in or relating to electric incandescent lamps

Info

Publication number
GB881109A
GB881109A GB20400/58A GB2040058A GB881109A GB 881109 A GB881109 A GB 881109A GB 20400/58 A GB20400/58 A GB 20400/58A GB 2040058 A GB2040058 A GB 2040058A GB 881109 A GB881109 A GB 881109A
Authority
GB
United Kingdom
Prior art keywords
lamp
enamel
filament
cap
lampe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB20400/58A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LAMPE NORMA SOC AUTO LAMPE
Original Assignee
LAMPE NORMA SOC AUTO LAMPE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LAMPE NORMA SOC AUTO LAMPE filed Critical LAMPE NORMA SOC AUTO LAMPE
Publication of GB881109A publication Critical patent/GB881109A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/34—Joining base to vessel

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Resistance Heating (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
GB20400/58A 1957-06-27 1958-06-25 Improvements in or relating to electric incandescent lamps Expired GB881109A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1086803X 1957-06-27

Publications (1)

Publication Number Publication Date
GB881109A true GB881109A (en) 1961-11-01

Family

ID=9612952

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20400/58A Expired GB881109A (en) 1957-06-27 1958-06-25 Improvements in or relating to electric incandescent lamps

Country Status (4)

Country Link
US (1) US2951734A (fr)
DE (1) DE1086803B (fr)
FR (1) FR71754E (fr)
GB (1) GB881109A (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2428610A (en) * 1943-09-10 1947-10-07 Gen Electric Method and apparatus for manufacturing electric discharge devices
US2792271A (en) * 1950-08-16 1957-05-14 Gen Electric Method of making electric discharge device
US2749668A (en) * 1952-08-30 1956-06-12 Csf Method of sealing vacuum-tight envelopes

Also Published As

Publication number Publication date
DE1086803B (de) 1960-08-11
US2951734A (en) 1960-09-06
FR71754E (fr) 1960-01-19

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